package com.situ.stmall.admin.service.impl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.situ.stmall.admin.entity.Root;
import com.situ.stmall.admin.mapper.RootMapper;
import com.situ.stmall.admin.service.RootService;
import com.situ.stmall.admin.util.MD5Util;

@Service
public class RootServiceImpl implements RootService{

	@Autowired
	private RootMapper rootMapper;
	
	@Override
	public Root login(Root root) throws Exception {
		// 1、账号密码格式是否正确
		if (root.getRootname() == null || 
			root.getRootname().length()<3 || 
			root.getRootname().length()>16) {
			throw new Exception("账号格式不对");
		}
		if (root.getPassword() == null || 
				root.getPassword().length()<3 || 
				root.getPassword().length()>16) {
				throw new Exception("密码格式不对");
			}
		
		//2、查询账号信息
		Root selectRoot = rootMapper.selectByRootName(root.getRootname());
		
		//3、判断账号是否存在
		if (selectRoot == null) {
			throw new Exception("账号不存在");
		}
		
		//4、判断密码是否正确
		if (!selectRoot.getPassword().equals(MD5Util.getMD5(root.getPassword()))) {
			throw new Exception("密码错误");
		}
		
		//5、判断账号是否可用
		if (selectRoot.getStatus() != 0) {
			throw new Exception("账号被禁用");
		}
		//6、返回root
		return selectRoot;
	}

	@Override
	public Root edit(Root root) {
		rootMapper.updateByPrimaryKey(root);
		
		return rootMapper.selectByPrimaryKey(root.getId());
	}

	@Override
	public Root getByRootName(String rootname) {
		return rootMapper.selectByRootName(rootname);
	}

}
